思路：倒序单调栈。弹出所有 ≤ 当前身高的元素（这些人都能被看到），count 为弹出数量；若栈非空，还能看到栈顶（第一个更高的人），故 +1。能看到的人数 = count + (栈非空 ? 1 : 0)。
Go to worldnews。关于这个话题，一键获取谷歌浏览器下载提供了深入分析
。夫子对此有专业解读
The state-run Oman News Agency has posted photos on social media showing the Omani foreign minister Badr Albusaidi sat with US envoys Steve Witkoff and Jared Kushner in Geneva.，详情可参考谷歌浏览器【最新下载地址】
Tens of millions of items of clothing are thrown away each year, and the synthetic materials often used by fast fashion retailers are among the hardest to recycle.